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IND
LABOR
404533122
Thymolphthalein IND Grade Reagent
Cas Number:125-20-2
Formula: C28H30O4
Molar Mass:430.54
EC Number:204-729-7
Properties:
White or microstrip yellow needle crystals. It is soluble in ethanol and acetone, insoluble in water. It is soluble in sulfuric acid and then turns to red,in dilute alkali liquid then turns to blue. The melting point is about 253 ° C.
Usage:
Acid-base indicator, the pH is 9.3 (colorless) ~ 10.5 (blue). Testing blood reagents.
Packing:
500g/25kg
Thymolphthalein IND Grade Reagent
Cas Number:125-20-2
Formula: C28H30O4
Molar Mass:430.54
EC Number:204-729-7
Properties:
White or microstrip yellow needle crystals. It is soluble in ethanol and acetone, insoluble in water. It is soluble in sulfuric acid and then turns to red,in dilute alkali liquid then turns to blue. The melting point is about 253 ° C.
Usage:
Acid-base indicator, the pH is 9.3 (colorless) ~ 10.5 (blue). Testing blood reagents.
Packing:
500g/25kg
Item of Analysis | Standard |
Melting point,℃ | 251.0~255.0 |
pH discoloration domain | 9.3(Colorless)~10.5(Blue) |
Solubility in ethanol | to pass test |
Residue on ignition(as SO4),% | 0.1 max |
Item of Analysis | Standard |
Melting point,℃ | 251.0~255.0 |
pH discoloration domain | 9.3(Colorless)~10.5(Blue) |
Solubility in ethanol | to pass test |
Residue on ignition(as SO4),% | 0.1 max |
Not a hazardous substance or mixture.
Not a hazardous substance or mixture.